/*
	The MIT License

	Copyright (c) 2010 IFMO/GameDev Studio

	Permission is hereby granted, free of charge, to any person obtaining a copy
	of this software and associated documentation files (the "Software"), to deal
	in the Software without restriction, including without limitation the rights
	to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
	copies of the Software, and to permit persons to whom the Software is
	furnished to do so, subject to the following conditions:

	The above copyright notice and this permission notice shall be included in
	all copies or substantial portions of the Software.

	THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
	IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
	FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
	AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
	LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
	OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
	THE SOFTWARE.
*/

#pragma once
	
/*-----------------------------------------------------------------------------
	POINT.H
-----------------------------------------------------------------------------*/

class EPoint {
	public:
					EPoint			( void );
					EPoint			( float xx, float yy, float zz=0, float ww=1.0f );
					EPoint			( const EPoint &other );
		explicit	EPoint			( const float *floatptr );
		explicit	EPoint			( const EVector &vector );
					
		float		*Ptr			( void );
		const float	*Ptr			( void ) const;
	
		EPoint&		operator =		( const EPoint &src );
		
		EPoint		operator +		( const EVector &other ) const;
		EPoint		operator -		( const EVector &other ) const;
		EPoint&		operator +=		( const EVector &other );
		EPoint&		operator -=		( const EVector &other );
		EPoint		operator *		( const float	scale ) const;
		EPoint		operator /		( const float	scale ) const;
		bool		operator ==		( const EPoint &other ) const;
		bool		operator !=		( const EPoint &other ) const;

		bool		IsEqual			( const EPoint &other, float eps ) const;
		float		DistanceSqr		( const EPoint &other ) const;
		float		Distance		( const EPoint &other ) const;
		EPoint		Rotate			( const EQuaternion &q ) const;
		
		EPoint		Transform		( const EMatrix &xform ) const;
		EPoint		LerpTo			( const EPoint &target, float factor ) const;
		EPoint		LerpAlong		( const EVector &direction, float factor ) const;

	public:
		static const EPoint	kOrigin;
		
		static	EPoint	FromString	( const char *str );
		
	public:
		union {
			float v[4];
			struct { float x, y, z, w; };
		};
	};
